CN105854945B - A kind of storage-stable platiniferous hydrosilylation catalyst and preparation method thereof - Google Patents

A kind of storage-stable platiniferous hydrosilylation catalyst and preparation method thereof Download PDF

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Publication number
CN105854945B
CN105854945B CN201610221439.6A CN201610221439A CN105854945B CN 105854945 B CN105854945 B CN 105854945B CN 201610221439 A CN201610221439 A CN 201610221439A CN 105854945 B CN105854945 B CN 105854945B
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storage
stable
hydrosilylation catalyst
preparation
compound
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CN105854945A (en
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胡继文
张培
涂园园
魏彦龙
杨公华
胡美龙
林树东
陈又军
姚文英
郝晓鹏
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GUANGDONG GUANHAO HIGH-TECH CO LTD
Guoke Guanghua Nanxiong New Materials Research Institute Co ltd
Guangzhou Chemical Co Ltd of CAS
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GUANGDONG GUANHAO HI-TECH Co Ltd
Guangzhou Chemical Co Ltd of CAS
Nanxiong Material Production Base of Guangzhou Chemical Co Ltd of CAS
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    • B01J35/19
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0201Oxygen-containing compounds
    • B01J31/0204Ethers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22Organic complexes
    • B01J31/2282Unsaturated compounds used as ligands
    • B01J31/2291Olefins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/30Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
    • B01J2231/34Other additions, e.g. Monsanto-type carbonylations, addition to 1,2-C=X or 1,2-C-X triplebonds, additions to 1,4-C=C-C=X or 1,4-C=-C-X triple bonds with X, e.g. O, S, NH/N
    • B01J2231/3411,2-additions, e.g. aldol or Knoevenagel condensations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80Complexes comprising metals of Group VIII as the central metal
    • B01J2531/82Metals of the platinum group
    • B01J2531/828Platinum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2540/00Compositional aspects of coordination complexes or ligands in catalyst systems
    • B01J2540/10Non-coordinating groups comprising only oxygen beside carbon or hydrogen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2540/00Compositional aspects of coordination complexes or ligands in catalyst systems
    • B01J2540/60Groups characterized by their function

Abstract

The invention belongs to chemosynthesis technical field, specifically discloses a kind of storage-stable platiniferous hydrosilylation catalyst and preparation method thereof.The catalyst is formed after metal platinum organic complex and is added a certain amount of organic compound and be prepared by compound containing platinum and the ligand reaction of organosiloxane containing double bond;Wherein described organic compound is the compound with structure shown in formula I:

Description

A kind of storage-stable platiniferous hydrosilylation catalyst and preparation method thereof
Technical field
The invention belongs to chemosynthesis technical field, and in particular to a kind of storage-stable platiniferous hydrosilylation catalyst and Its preparation method.
Background technology
Hydrosilylation refers to what is carried out under certain condition with unsaturated compound by the silane compound of siliceous hydrogen A kind of addition reaction, it is had a wide range of applications among organosilicon chemistry and consequence, since the reaction be found with Come, in decades, experienced the development in faster several stages, reacted, arrived from the initial simple condition for using high temperature Introduce the custom catalystses such as ultraviolet, peroxide, azo-compound afterwards to be catalyzed, until Speier discoveries, by chlorine platinum Acid be dissolved in isopropanol can effective catalyzing addition reaction of silicon with hydrogen, platinum element is incorporated into hydrosilylation for the first time.This Willing reacts chloroplatinic acid and silicone compounds containing unsaturated bond on the basis of the method that Speier is used afterwards, will be anti- The compound that should be formed afterwards is used in hydrosilylation, can continue to improve the efficiency of Si―H addition reaction.Karstedt is in forefathers On the basis of, Willing method is further improved, using chloroplatinic acid or chloroplatinate in ethanol with sodium acid carbonate and Vinylsiloxane heating response, form the vinylsiloxane complex compound of platinum, such a catalyst for eliminating halogen, catalysis effect For rate compared with the vinylsiloxane complex compound of chloroplatinic acid before, its catalytic efficiency has further raising, such a catalysis Agent is still applied to organosilicon chemistry industrial many necks today as catalyst the most frequently used in hydrosilylation Domain, although such a catalyst relatively before catalyst compare, have higher catalytic efficiency, there is also storage is unstable simultaneously It is fixed, reaction easily is produced with the heavy metal ion in storage condition and other active compounds, it is unstable to form new high-valence state Fixed platinum compounds, platinum black precipitation is ultimately formed, loses catalytic activity.Therefore, develop one kind can with industrialized production, and Can just it be particularly important in the potential new catalyst containing the environment stored for extended periods that can make catalyst poisoning ion.
The content of the invention
To solve the shortcomings that prior art and weak point, primary and foremost purpose of the invention is to provide a kind of storage-stable Platiniferous hydrosilylation catalyst.
Another object of the present invention is to provide the preparation method of above-mentioned storage-stable platiniferous hydrosilylation catalyst.
The object of the invention is achieved through the following technical solutions:
A kind of storage-stable platiniferous hydrosilylation catalyst, the catalyst pass through compound containing platinum and organosilicon containing double bond Oxygen alkyl ligand reacts, and adding a certain amount of organic compound after formation metal platinum-organic complex is prepared;It is wherein described to have Machine compound is the compound with structure shown in formula I:
N is 4~10 in formula, preferably 5~7, more preferably 5;R is the alkane chain of carbon number 1~17, preferably carbon atom Number is 4 alkane chain.
A kind of preparation method of storage-stable platiniferous hydrosilylation catalyst, comprises the following steps:
(1) compound containing platinum, silicone compounds containing unsaturated bond and sodium acid carbonate are dissolved in organic solvent, Ran Hou Reacted 1~8 hour in 50 DEG C~120 DEG C under stirring;
(2) organic compound of the structural formula as shown in formula I is added after thing to be mixed fully reacts, and keeps 50 DEG C~120 Stop heating and stirring, natural cooling after DEG C stirring reaction certain time;Wherein, the organic compound and compound containing platinum of addition The ratio between the amount of material be 1:1~30:1;
(3) reaction solution is transferred out from container, then sodium acid carbonate separated from reaction solution;It will get rid of Organic solvent in the reaction solution of sodium acid carbonate is separated, that is, obtains the concentration of storage-stable platiniferous hydrosilylation catalyst Liquid, used using hydrosilylation catalyst can be worked as after vinyl silicone oil or organic solvent in certain ratio dilution.
Step (1) described compound containing platinum includes H2PtCl6、PtCl2、Pt(COD)2、Na2PtCl4、K2PtCl4In extremely Few one kind.Preferably, using H2PtCl6With Pt (COD)2At least one of.
Step (1) described organic solvent can select dichloromethane, chloroform, dichloroethanes, acetonitrile, tetrahydrofuran, At least one of conventional organic solvent such as N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, 1-METHYLPYRROLIDONE.It is excellent Selection of land, use at least one of chloroform or dichloromethane.
The ratio of the amount of the material of step (1) sodium acid carbonate and compound containing platinum is 1:1~8:1.
Silicone compounds containing unsaturated bond described in step (1) are tetramethyl divinyl disiloxane or tetramethyl tetrem Alkenyl cyclotetrasiloxane.
The amount ratio of step (1) compound containing platinum and the material of the silicone compounds containing unsaturated bond is 1:2~1: 10, preferably 1:4.
Step (1) heat time is preferably 3 hours, and heating-up temperature is preferably 70 DEG C~90 DEG C.
The structural formula of step (2) described organic compound is as shown in formula I;The chemical constitution of the organic compound is preferably N is equal to 5, R C4H9
The time of step (2) described stirring reaction is 15~100 minutes, preferably 30 minutes.
The ratio between amount of material of step (2) organic compound and compound containing platinum is preferably 4:1~16:1, more preferably For 12:1.
Compared with prior art, the present invention has advantages below and beneficial effect:
Storage-stable platiniferous hydrosilylation catalyst provided by the invention, solves existing platiniferous Si―H addition reaction catalysis Agent storage is unstable, is easily reacted with metal ion and other active compounds, the problem of losing catalytic activity.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
Embodiment 1
1g chloroplatinic acids, 2g tetramethyl divinyl disiloxanes, 0.4g sodium acid carbonate and 30mL chloroform are added Enter into 50mL two mouthfuls of flasks, 80 DEG C of agitating and heatings are reacted 2 hours;Then add n in structural formula shown in 28g formulas I and be equal to 5, R Equal to C4H9Organic compound, kept for 80 DEG C, continue heating stirring 30 minutes, after stopping reaction, question response liquid natural cooling Afterwards, the sodium acid carbonate in reaction solution is filtered out using filter paper.Chloroform in filtrate is separated using the mode of vacuum distillation Go out, obtain the concentrate of catalyst, concentrate is diluted to finite concentration using toluene, you can as hydrosilylation catalyst Use.
Embodiment 2
By 1g chloroplatinic acids, 4g tetramethyl divinyl disiloxane, 0.8g sodium acid carbonate and 30mL dichloromethane It is added in 50mL two mouthfuls of flasks, 60 DEG C of agitating and heatings are reacted 3 hours;Then n in structural formula shown in 30g formulas I is added to be equal to 6th, R C3H7Organic compound, keep 60 DEG C continue react 30min, stop reaction after, after question response liquid natural cooling, use The method of centrifugation separates the sodium acid carbonate in reaction solution.It is using the method for vacuum distillation that the dichloromethane in reaction solution is whole Separate, obtain the concentrate of catalyst, concentrate is diluted to finite concentration using vinyl silicone oil, you can as silicon hydrogen Addition catalyst uses.
Embodiment 3
By 1g Pt (COD)2, 4g t etram-ethyltetravinylcyclotetrasiloxane, 1g sodium carbonate and 30mL chloroform It is added in 50mL two mouthfuls of flasks, 70 DEG C of agitating and heatings are reacted 3 hours;Then n in structural formula shown in 27g formulas I is added to be equal to 5th, R is equal to CH3Organic compound, kept for 70 DEG C continue heating stirring 15 minutes, after stopping reaction, question response liquid natural cooling Afterwards, the sodium acid carbonate in reaction solution is filtered out using filter paper.It is using the method for vacuum distillation that the chloroform in mixed liquor is complete Portion separates, and obtains the concentrate of catalyst, concentrate is diluted into finite concentration using vinyl silicone oil, you can as silicon Hydrogen addition catalyst uses.
Embodiment 4
By 1g chloroplatinic acids, 4g tetramethyl divinyl disiloxane, 0.6g sodium acid carbonate and 30mL dichloromethane It is added in 50mL two mouthfuls of flasks, 80 DEG C of agitating and heatings are reacted 4 hours;Then n in structural formula shown in 35g formulas I is added to be equal to 7th, R is equal to CH3Organic compound, kept for 80 DEG C continue heating stirrings and reacted 25 minutes, after stopping reaction, question response liquid is natural After cooling, the sodium acid carbonate in reaction solution is isolated using the method for centrifugation.Using the method for vacuum distillation by mixed liquor Dichloromethane is totally separated out, obtains the concentrate of catalyst, and concentrate is diluted into finite concentration using toluene, you can is made Used for hydrosilylation catalyst.
The catalyst that will be prepared in embodiment 1-4, it is added to the silicone oil that hydrogen content is 1% and the second that double bond content is 2% In alkenyl silicone oil, the hardening time under test different temperatures, under the same conditions, same amount of catalyst, embodiment 1-4 are added The hardening time of the catalyst of preparation is basically identical, it was demonstrated that catalytic activity does not have compared with traditional Karstedt catalyst Obvious to reduce, specific data are as shown in table 1 to table 4:
The hardening time of catalyst prepared by the embodiment 1-4 of table 1 and traditional Karstedt catalyst
The hardening time of catalyst prepared by the embodiment 1-4 of table 2 and traditional Karstedt catalyst
The hardening time of catalyst prepared by the embodiment 1-4 of table 3 and traditional Karstedt catalyst
The hardening time of catalyst prepared by the embodiment 1-4 of table 4 and traditional Karstedt catalyst
The catalyst prepared in embodiment 1-4 and Karstedt catalyst are used to the percentage by weight 1% of vinyl Vinyl silicone oil be diluted to 3000ppm, place in a reservoir, add the 30ppm compound for easily making catalyst poisoning, see Examine storage time, platinum black occur in catalyst is defined, it is possible to find, embodiment 1-4 catalyst under the same conditions, storage it is steady Fix time and be considerably longer than Karstedt catalyst, it is specific as shown in table 5.
The storage time of catalyst prepared by the embodiment 1-4 of table 5 and traditional Karstedt catalyst
Karstedt Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4
Iron chloride 3 days > 30 days > 30 days > 30 days > 30 days
Copper chloride 5 days > 30 days > 30 days > 30 days > 30 days
Stannic chloride 1 day 15 days 16 days 20 days 20 days
Stearylmercaptan 1 day 8 days 8 days 16 days 20 days
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification, Equivalent substitute mode is should be, is included within protection scope of the present invention.

Claims (10)

1. a kind of storage-stable platiniferous hydrosilylation catalyst, it is characterised in that the catalyst is by compound containing platinum and contains Double bond organosiloxane ligand reaction, addition organic compound is prepared after forming metal platinum-organic complex;It is wherein described Organic compound is the compound with structure shown in formula I:
N is 4~10 in formula;R is the alkane chain of carbon number 1~17.
2. storage-stable platiniferous hydrosilylation catalyst according to claim 1, it is characterised in that the n in formula I is 5 ~7, R are the alkane chain that carbon number is 4.
3. the preparation method of the storage-stable platiniferous hydrosilylation catalyst described in claim 1 or 2, it is characterised in that bag Include following steps:
(1) compound containing platinum, organosilicone compounds containing double bond and sodium acid carbonate are dissolved in organic solvent, then stirred Reacted 1~8 hour in 50 DEG C~120 DEG C under state;
(2) organic compound of the structural formula as shown in formula I is added after thing to be mixed fully reacts, and is kept for 50 DEG C~120 DEG C and stirred Stop heating and stirring, natural cooling after mixing reaction certain time;Wherein, the thing of the organic compound of addition and compound containing platinum The ratio between amount of matter is 1:1~30:1;
(3) sodium acid carbonate and organic solvent in reaction solution are separated, that is, obtains storage-stable platiniferous hydrosilylation catalyst Concentrate.
4. the preparation method of storage-stable platiniferous hydrosilylation catalyst according to claim 3, it is characterised in that step Suddenly (1) described compound containing platinum includes H2PtCl6、PtCl2、Pt(COD)2、Na2PtCl4、K2PtCl4At least one of.
5. the preparation method of storage-stable platiniferous hydrosilylation catalyst according to claim 3, it is characterised in that step Suddenly (1) described organic solvent be dichloromethane, chloroform, dichloroethanes, acetonitrile, tetrahydrofuran, N,N-dimethylformamide, At least one of DMAC N,N' dimethyl acetamide, 1-METHYLPYRROLIDONE.
6. the preparation method of storage-stable platiniferous hydrosilylation catalyst according to claim 3, it is characterised in that step Suddenly the ratio of the amount of the material of (1) described sodium acid carbonate and compound containing platinum is 1:1~8:1.
7. the preparation method of storage-stable platiniferous hydrosilylation catalyst according to claim 3, it is characterised in that step Suddenly organosilicone compounds containing double bond described in (1) are tetramethyl divinyl disiloxane or the silicon of tetramethyl tetravinyl ring four Oxygen alkane.
8. the preparation method of storage-stable platiniferous hydrosilylation catalyst according to claim 3, it is characterised in that step Suddenly the amount ratio of (1) described compound containing platinum and the material of the organosilicone compounds containing double bond is 1:2~1:10.
9. the preparation method of storage-stable platiniferous hydrosilylation catalyst according to claim 3, it is characterised in that step Suddenly the time of (2) described stirring reaction is 15~100 minutes.
10. the preparation method of storage-stable platiniferous hydrosilylation catalyst according to claim 3, it is characterised in that The ratio between amount of material of step (2) organic compound and compound containing platinum is 4:1~16:1.
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CN105797775B (en) * 2016-03-23 2018-12-07 安徽正洁高新材料股份有限公司 The preparation method of hydrosilylation vinyl platinum catalyst
CN106432734B (en) * 2016-10-17 2019-07-12 东莞市贝特利新材料有限公司 The preparation method of platinum catalyst, preparation method and silicon rubber
CN110252411B (en) * 2019-06-26 2022-02-08 江西蓝星星火有机硅有限公司 Complex platinum catalyst for producing epoxy-terminated silicone oil and preparation method and application thereof
CN113499800A (en) * 2021-06-24 2021-10-15 江苏斯迪克新材料科技股份有限公司 Karstedt catalyst and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1518555A (en) * 2001-06-07 2004-08-04 �޵��ǻ�ѧ��˾ Method for preparing metallic carbene-based catalysts for hyolrosilylation of unsaturated compounds and resulting catalysts
CN103687865A (en) * 2011-08-01 2014-03-26 优美科股份公司及两合公司 Method for preparation of platinum-carbonyl-siloxane compounds

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2750349B1 (en) * 1996-06-28 1998-10-16 Rhone Poulenc Chimie USE OF PLATINUM COMPLEXES IN PARTICULAR AS HOMOGENEOUS AND THERMOACTIVABLE HYDROSILYLATION CATALYSTS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1518555A (en) * 2001-06-07 2004-08-04 �޵��ǻ�ѧ��˾ Method for preparing metallic carbene-based catalysts for hyolrosilylation of unsaturated compounds and resulting catalysts
CN103687865A (en) * 2011-08-01 2014-03-26 优美科股份公司及两合公司 Method for preparation of platinum-carbonyl-siloxane compounds

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
三芳基膦配体促进Karstedt催化剂催化硅氢加成反应研究;薛梅 等;《杭州师范大学学报(自然科学版)》;20140131;第13卷(第1期);第1-5页 *
基于柱芳烃的有机功能材料;夏梦婵 等;《超分子化学专辑》;20150127;第27卷(第6期);第655-665页 *
柱[5]芳烃衍生物的合成及其选择性键合行为的研究;舒晓燕;《中国博士学位论文全文数据库 工程科技Ⅰ辑》;20130215(第02期);第B014-22页 *

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